Home / 828,949.26-1,241,796.75-429,850.92

Finding the Fourth Proportional to 828,949.26, 1,241,796.75 and 429,850.92

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Solution

The fourth proportional to 828,949.26, 1,241,796.75 and 429,850.92 is: 643,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,949.26 : 1,241,796.75 = 429,850.92 : x
  2. Step 2: Convert to fraction form
    828,949.26/1,241,796.75 = 429,850.92/x
  3. Step 3: Cross multiply
    828,949.26x = 1,241,796.75 × 429,850.92
  4. Step 4: Simplify right side
    828,949.26x = 533,787,475,440.51
  5. Step 5: Solve for x
    x = 533,787,475,440.51/828,949.26
  6. Step 6: Final answer
    x = 643,932.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.